MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, with several heuristics indicating it functions as a link farm. Notably, some links point to compromised CMS upload storage, suggesting a potential distribution point for malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://klick-tipp.at/ckfinder/userfiles/publics/files/17009858961.pdf In PDF document text
- http://tokstar.com/_UploadFile/Images/file/29875281849.pdfIn PDF document text
- https://rozynoklinika.lt/userfiles/file/dotuwobarumobog.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/0jpcuqpa6n1ifqlhte380p9l2s/nusufuxabip.pdfIn PDF document text
- https://drlanda.hu/user/file/89364236366.pdfIn PDF document text
- http://hyeminshop.com/DATA/files/gotab.pdfIn PDF document text
- http://cravaluos.com/ckfinder/userfiles/files/lufuvasu.pdfIn PDF document text
- https://bahispesinde.com/gnc/veri/_files/kazinitoxafifizazawud.pdfIn PDF document text
- https://www.sudoku-cool.com/ckfinder/userfiles/files/92765492312.pdfIn PDF document text
- https://www.restaurant-latableedevercel.com/ckfinder/userfiles/files/18441491502.pdfIn PDF document text
- https://topupdana.com/contents/files/18778054327.pdfIn PDF document text
- http://eatoceanic.iorderfoods.com/uploads/files/fosigixapekowakebunegoz.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/19145953211.pdfIn PDF document text
- http://anshan56.cn/userfiles/file/1631575401600071619.pdfIn PDF document text
- http://tzsunup.com/upload/tuwotijawuvedowego.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb6b90b348---tovaratedumubo.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/zowilinesodikabuw.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131f71e17101---likemimenido.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/161404a45020a8---xanotetajuvesodelu.pdfIn PDF document text
- http://jawarakreasi.com/file/77296269797.pdfIn PDF document text
- http://isdoor.ru/uploads/files/somifig.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/5d29fe671542d35350752a7fc1f3226e/pabegepujebowijezatedij.pdfIn PDF document text
- http://cdmvt.cz/sites/default/files/75333154937.pdfIn PDF document text
- https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/fufelewomodov.pdfIn PDF document text
- http://angelascanu.it/uploads/file/muxafezenogolawinodu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=zip+games+for+androidPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC19 | 10660 bytes |
SHA-256: 9ab29991d8474bb0092898716c7ffffdf511b9457376113d85ef75be44ca3c8c |
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font_01_sfnt_off00010447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10447 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C59 | 17172 bytes |
SHA-256: 758f6ad14821254c22860b08d4ea61b93243acc4f685fd2680990174bf277df0 |
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